com.itextpdf.text.pdf.internal.ZugferdChecker Maven / Gradle / Ivy
/*
* $Id: 8d2df07978ad1045f5b86db8a4377f126410d2fd $
*
* This file is part of the iText (R) project.
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* Authors: Alexander Chingarev, Bruno Lowagie, et al.
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package com.itextpdf.text.pdf.internal;
import com.itextpdf.text.ExceptionConverter;
import com.itextpdf.text.error_messages.MessageLocalization;
import com.itextpdf.text.pdf.AFRelationshipValue;
import com.itextpdf.text.pdf.PdfAConformanceException;
import com.itextpdf.text.pdf.PdfAConformanceLevel;
import com.itextpdf.text.pdf.PdfAStamperImp;
import com.itextpdf.text.pdf.PdfArray;
import com.itextpdf.text.pdf.PdfDictionary;
import com.itextpdf.text.pdf.PdfFileSpecification;
import com.itextpdf.text.pdf.PdfName;
import com.itextpdf.text.pdf.PdfReader;
import com.itextpdf.text.pdf.PdfWriter;
import com.itextpdf.text.xml.xmp.PdfAXmpWriter;
import com.itextpdf.xmp.XMPException;
import com.itextpdf.xmp.XMPMeta;
import java.util.ArrayList;
import java.util.List;
public class ZugferdChecker extends PdfA3Checker {
private List attachments = new ArrayList();
ZugferdChecker(PdfAConformanceLevel conformanceLevel) {
super(conformanceLevel);
}
@Override
protected void checkFileSpec(PdfWriter writer, int key, Object obj1) {
super.checkFileSpec(writer, key, obj1);
attachments.add((PdfFileSpecification) obj1);
}
@Override
public void close(PdfWriter writer) {
super.close(writer);
boolean ok = false;
XMPMeta xmpMeta = null;
if (writer.getXmpWriter() == null) {
if (writer instanceof PdfAStamperImp) {
xmpMeta = ((PdfAStamperImp) writer).getXmpMeta();
PdfReader pdfReader = ((PdfAStamperImp) writer).getPdfReader();
PdfArray pdfArray = pdfReader.getCatalog().getAsArray(PdfName.AF);
if (pdfArray != null) {
for (int i = 0; i < pdfArray.size(); i++) {
PdfFileSpecification pdfFileSpecification = new PdfFileSpecification();
pdfFileSpecification.putAll((PdfDictionary) pdfArray.getDirectObject(i));
attachments.add(pdfFileSpecification);
}
}
}
} else {
xmpMeta = writer.getXmpWriter().getXmpMeta();
}
if (xmpMeta == null) {
writer.createXmpMetadata();
}
try {
String docFileName = xmpMeta.getPropertyString(PdfAXmpWriter.zugferdSchemaNS, PdfAXmpWriter.zugferdDocumentFileName);
for (PdfFileSpecification attachment : attachments) {
if ((attachment.getAsString(PdfName.UF) != null && docFileName.equals(attachment.getAsString(PdfName.UF).toString()))
|| (attachment.getAsString(PdfName.F) != null && docFileName.equals(attachment.getAsString(PdfName.F).toString()))) {
PdfName relationship = attachment.getAsName(PdfName.AFRELATIONSHIP);
if (!AFRelationshipValue.Alternative.equals(relationship)) {
attachments.clear();
throw new PdfAConformanceException(attachment, MessageLocalization.getComposedMessage("afrelationship.value.shall.be.alternative"));
}
ok = true;
break;
}
}
} catch (XMPException e) {
attachments.clear();
throw new ExceptionConverter(e);
}
attachments.clear();
if (!ok) {
throw new PdfAConformanceException(xmpMeta, MessageLocalization.getComposedMessage("zugferd.xmp.schema.shall.contain.attachment.name"));
}
}
}